Charles Salmon-Legagneur

This inventor holds 20 USPTO granted patents and 17 published patent applications and 9 EPO patents, primarily in Volumetric Video Encoding. Top assignees: Interdigital Ce Patent Holdings, Thomson Licensing, Interdigital Vc Holdings, Inc.. Active years: 2010-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Charles Salmon-Legagneur. Retrieved from https://idiyas.com/inventor/charles-salmon-legagneur

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

USPTO Granted Patents = 20 (Patent Applications = 17)

% Patents Active = 60.0

EPO Patents = 9 (Patent Applications = 65)

Average Co-Inventor Count = 3.0

ph-index = 2

Forward Citations = 10(Granted Patents)

Company Filing History:

6 out of 229

Interdigital Ce Patent Holdings

Interdigital Vc Holdings, Inc.

patents

4. 2 out of 241

Interdigital Ce Patent Holdings, Sas

patents

5. 1 out of 193

Interdigital Madison Patent Holdings, Sas

patents

Years Active: 2010-2026

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Areas of Expertise:

Volumetric Video

3D Scene Rendering

Immersive Video

Encoding

Decoding

Video Transport

Multi-Viewpoint

Spatial Tiling

Digital Data

Checksum Verification

Protected Software

Control Flow Graph

20 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12541882 - Methods and apparatuses for encoding, decoding and rendering 6DOF content from 3DOF+ composed elements (2026-02-03),

2. 12387417 - Method and apparatus for encoding and decoding volumetric video (2025-08-12),

3. 12243153 - Methods for transmitting and rendering a 3D scene, method for generating patches, and corresponding devices and computer programs (2025-03-04),

4. 12167034 - Method and apparatus for encoding and decoding volumetric video (2024-12-10),

5. 12132956 - Method and apparatuses for sending and receiving a video (2024-10-29),

6. 12081720 - Devices and methods for generating and rendering immersive video (2024-09-03),

7. 11991338 - Method configured to be implemented at a terminal adapted to receive an immersive video spatially tiled with a set of tiles, and corresponding terminal (2024-05-21),

8. 11968349 - Method and apparatus for encoding and decoding of multiple-viewpoint 3DoF+ content (2024-04-23),

9. 11910054 - Method and apparatus for decoding a 3D video (2024-02-20),

10. 11893679 - Methods for transmitting and rendering a 3D scene, method for generating patches, and corresponding devices and computer programs (2024-02-06),

11. 11483536 - Methods and apparatus for volumetric video transport (2022-10-25),

12. 11411868 - Batch oriented service chaining method and corresponding devices and computer program (2022-08-09),

13. 10708631 - Method and terminal for tile selection amongst a set of tiles (2020-07-07),

14. 10120987 - Device and method for executing protected iOS software modules (2018-11-06),

15. 10020944 - Device and method for discontinuous hashing of digital data (2018-07-10),

Title: Charles Salmon-Legagneur: Innovator in 3D Rendering and Volumetric Video

Introduction

Charles Salmon-Legagneur, hailing from Rennes, France, is a prolific inventor with an impressive portfolio of 18 patents. His work primarily focuses on advancements in 3D scene transmission and rendering, significantly impacting the fields of computer graphics and video technology.

Latest Patents

Among his latest innovations are methods for transmitting and rendering 3D scenes, as well as methods for generating patches, which include corresponding devices and computer programs. These disclosures reveal sophisticated techniques for rendering 3D scenes by receiving manifests and requesting data streams from a server. His work ensures enhanced visual experiences by utilizing both central patch content and parallax patch content for rendering. Additionally, he has developed a method and apparatus for encoding and decoding volumetric video, essential for efficiently handling complex scene data like point clouds. This methodology divides an atlas image into regions associated with specific sectors of the scene, optimizing the user’s viewport image generation.

Career Highlights

Charles has significantly contributed to companies such as InterDigital CE Patent Holdings and Thomson Licensing, enhancing their portfolios with his innovative ideas and patented inventions. His extensive expertise in the field of 3D technology has established him as a leading figure in addressing contemporary challenges in video processing and rendering.

Collaborations

Throughout his career, Charles has collaborated with talented professionals, including Yvon Legallais and Antoine Monsifrot. These collaborations have fostered a creative environment conducive to technological advancements and novel inventions in 3D rendering.

Conclusion

Charles Salmon-Legagneur continues to be an influential innovator within the realms of 3D scene rendering and volumetric video technology. His numerous patents and strategic collaborations indicate a steadfast commitment to pushing the boundaries of what's possible in the technological landscape. As the digital world evolves, his contributions will undoubtedly play a pivotal role in shaping the future of visual technology.

Profile summary based on public USPTO records.